Electric lamp and discharge devices: systems – Pulsating or a.c. supply – Plural load device systems
Patent
1976-11-24
1978-09-19
Bentley, Stephen C.
Electric lamp and discharge devices: systems
Pulsating or a.c. supply
Plural load device systems
3151117, G21B 100
Patent
active
041151909
ABSTRACT:
A high beta plasma is produced in a plasma producing device of toroidal configuration by ohmic heating and auxiliary heating. The plasma pressure is continuously monitored and used in a control system to program the current in the poloidal field windings. Throughout the heating process, magnetic flux is conserved inside the plasma and the distortion of the flux surfaces drives a current in the plasma. As a consequence, the total current increases and the poloidal field windings are driven with an equal and opposing increasing current. The spatial distribution of the current in the poloidal field windings is determined by the plasma pressure. Plasma equilibrium is maintained thereby, and high temperature, high beta operation results.
REFERENCES:
patent: 3733248 (1973-05-01), Hendel et al.
patent: 3886602 (1975-05-01), Furth et al.
UCRL-50002-75, CTR Annual Report, 71-74-6-75, (10/15/75), pp. 77-78.
Proceedings of the Utah Academy of Sciences, Arts, and Letters, vol. 50, Part 2, (1973), pp. 47-57.
IEEE Transactions on Plasma Science, vol. PS-4, No. 3, (9/76), pp. 162-165.
Bentley Stephen C.
Cangialosi S. A.
Carlson Dean E.
Deckelmann Louis M.
Hamel Stephen D.
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